3. Stress – Strain Behavior Consider the brass alloy for which the stress-strain behavior is shown in figure Formula below. A cylinder specimen of this material 10 mm in diameter and 120 mm long is Tensile stress: pulled in tension with force of 15 kN. The Poisson's ratio is 0.35. Compute : F. A Shear stress a) The Tension stress of 15 kN force. b) The specimen elongation at force of 15 kN c) The reduction in specimen diameter at force of 15 kN d) The maximum Force where the specimen is broken e) The Force at Yield point. F, Favg A Hooke's law o = Ee 500 Elongation 70 Tensile strength 450 MPa (65,000 ра) AL E = L 60 Poisson's ratio 400 dzy dex deuans 10° psi 50 de sial MPa 40 300 E = 2G (1+ v) 30 200 Yield strength 250 MPa (36.000 psi) 200 20 100 20 10 This figure is the detail figure from "Stress - Strain 100 10 0.005 diagram" with strain range from 0 - 0.005 0.10 0.20 0.30 0.40 Stress (MPa) (sd ot) saas

Elements Of Electromagnetics
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3. Stress – Strain Behavior
Consider the brass alloy for which the stress-strain behavior is shown in figure Formula
below. A cylinder specimen of this material 10 mm in diameter and 120 mm long is Tensile stress:
pulled in tension with force of 15 kN. The Poisson's ratio is 0.35.
Compute :
F.
Oavg
A
Shear stress
a) The Tension stress of 15 kN force.
b) The specimen elongation at force of 15 kN
c) The reduction in specimen diameter at force of 15 kN
F.
Tavg
A
Hooke's law
d) The maximum Force where the specimen is broken
e) The Force at Yield point.
o = Ee
Elongation
AL
E =
500
70
Tensile strength
450 MPa (65,000 ры)
60
Poisson's ratio
400
dɛy
dex
detrans
V = -
10
50
de arial
psi
MPa 40
300
E = 2G (1+ v)
40
200
30
Yield strength
30
200
250 MPa (36,00 psi)
20
100-
20
10
This figure is the
detail figure from
"Stress - Strain
100
10
0.005
diagram" with strain
range from 0 - 0.005
0.10
0.20
0.30
0.40
Stress (MPa)
Stress (10 psi
Transcribed Image Text:3. Stress – Strain Behavior Consider the brass alloy for which the stress-strain behavior is shown in figure Formula below. A cylinder specimen of this material 10 mm in diameter and 120 mm long is Tensile stress: pulled in tension with force of 15 kN. The Poisson's ratio is 0.35. Compute : F. Oavg A Shear stress a) The Tension stress of 15 kN force. b) The specimen elongation at force of 15 kN c) The reduction in specimen diameter at force of 15 kN F. Tavg A Hooke's law d) The maximum Force where the specimen is broken e) The Force at Yield point. o = Ee Elongation AL E = 500 70 Tensile strength 450 MPa (65,000 ры) 60 Poisson's ratio 400 dɛy dex detrans V = - 10 50 de arial psi MPa 40 300 E = 2G (1+ v) 40 200 30 Yield strength 30 200 250 MPa (36,00 psi) 20 100- 20 10 This figure is the detail figure from "Stress - Strain 100 10 0.005 diagram" with strain range from 0 - 0.005 0.10 0.20 0.30 0.40 Stress (MPa) Stress (10 psi
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